package com.study.test.demo.factory.abstractFactory;

/**
 * 课程视频
 *
 * @Author hupengming
 * @ClassName IVideo
 * @Date 2023-03-06  16:02
 * @Version 1.0
 */
public interface IVideo {

    /**
     * 视频回放
     */
    void playback();
}
